CVE-2021-31887

Summary

A vulnerability has been identified in APOGEE MBC (PPC) (BACnet) (All versions), APOGEE MBC (PPC) (P2 Ethernet) (All versions), APOGEE MEC (PPC) (BACnet) (All versions), APOGEE MEC (PPC) (P2 Ethernet) (All versions), APOGEE PXC Compact (BACnet) (All versions < V3.5.4), APOGEE PXC Compact (P2 Ethernet) (All versions < V2.8.19), APOGEE PXC Modular (BACnet) (All versions < V3.5.4), APOGEE PXC Modular (P2 Ethernet) (All versions < V2.8.19), Desigo PXC00-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC00-U (All versions >= V2.3 and < V6.30.016), Desigo PXC001-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC100-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC12-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC128-U (All versions >= V2.3 and < V6.30.016), Desigo PXC200-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC22-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC22.1-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC36.1-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC50-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC64-U (All versions >= V2.3 and < V6.30.016), Desigo PXM20-E (All versions >= V2.3 and < V6.30.016), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.4), Nucleus Source Code (All versions), TALON TC Compact (BACnet) (All versions < V3.5.4), TALON TC Modular (BACnet) (All versions < V3.5.4). FTP server does not properly validate the length of the “PWD/XPWD” command, leading to stack-based buffer overflows. This may result in Denial-of-Service conditions and Remote Code Execution. (FSMD-2021-0016)

Affected Software

VendorProductVersion RangeStatus
SiemensAPOGEE MBC (PPC) (BACnet)All versionsaffected
SiemensAPOGEE MBC (PPC) (P2 Ethernet)All versionsaffected
SiemensAPOGEE MEC (PPC) (BACnet)All versionsaffected
SiemensAPOGEE MEC (PPC) (P2 Ethernet)All versionsaffected
SiemensAPOGEE PXC Compact (BACnet)All versions < V3.5.4affected
SiemensAPOGEE PXC Compact (P2 Ethernet)All versions < V2.8.19affected
SiemensAPOGEE PXC Modular (BACnet)All versions < V3.5.4affected
SiemensAPOGEE PXC Modular (P2 Ethernet)All versions < V2.8.19affected
SiemensDesigo PXC00-E.DAll versions >= V2.3 and < V6.30.016affected
SiemensDesigo PXC00-UAll versions >= V2.3 and < V6.30.016affected
SiemensDesigo PXC001-E.DAll versions >= V2.3 and < V6.30.016affected
SiemensDesigo PXC100-E.DAll versions >= V2.3 and < V6.30.016affected
SiemensDesigo PXC12-E.DAll versions >= V2.3 and < V6.30.016affected
SiemensDesigo PXC128-UAll versions >= V2.3 and < V6.30.016affected
SiemensDesigo PXC200-E.DAll versions >= V2.3 and < V6.30.016affected
SiemensDesigo PXC22-E.DAll versions >= V2.3 and < V6.30.016affected
SiemensDesigo PXC22.1-E.DAll versions >= V2.3 and < V6.30.016affected
SiemensDesigo PXC36.1-E.DAll versions >= V2.3 and < V6.30.016affected
SiemensDesigo PXC50-E.DAll versions >= V2.3 and < V6.30.016affected
SiemensDesigo PXC64-UAll versions >= V2.3 and < V6.30.016affected
SiemensDesigo PXM20-EAll versions >= V2.3 and < V6.30.016affected
SiemensNucleus NETAll versionsaffected
SiemensNucleus ReadyStart V3All versions < V2017.02.4affected
SiemensNucleus Source CodeAll versionsaffected
SiemensTALON TC Compact (BACnet)All versions < V3.5.4affected
SiemensTALON TC Modular (BACnet)All versions < V3.5.4affected

Weaknesses

  • CWE-170: CWE-170: Improper Null Termination

ADP Enrichment

CVE Program Container

Additional References

References